• Menu
  • Product
  • Email
  • PDF
  • Order now

  • TMCS1133 Precision 1MHz Hall-Effect Current Sensor With Reinforced Isolation Working Voltage, Overcurrent Detection and Ambient Field Rejection

    • SBOSAG0C October   2023  – February 2025 TMCS1133

      PRODUCTION DATA  

  • CONTENTS
  • SEARCH
  • TMCS1133 Precision 1MHz Hall-Effect Current Sensor With Reinforced Isolation Working Voltage, Overcurrent Detection and Ambient Field Rejection
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Insulation Specifications
    6. 6.6 Electrical Characteristics
    7. 6.7 Typical Characteristics
  8. 7 Parameter Measurement Information
    1. 7.1 Accuracy Parameters
      1. 7.1.1 Sensitivity Error
      2. 7.1.2 Offset Error and Offset Error Drift
      3. 7.1.3 Nonlinearity Error
      4. 7.1.4 Power Supply Rejection Ratio
      5. 7.1.5 Common-Mode Rejection Ratio
      6. 7.1.6 External Magnetic Field Errors
    2. 7.2 Transient Response Parameters
      1. 7.2.1 CMTI, Common-Mode Transient Immunity
    3. 7.3 Safe Operating Area
      1. 7.3.1 Continuous DC or Sinusoidal AC Current
      2. 7.3.2 Repetitive Pulsed Current SOA
      3. 7.3.3 Single Event Current Capability
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Current Input
      2. 8.3.2 Ambient Field Rejection
      3. 8.3.3 High-Precision Signal Chain
        1. 8.3.3.1 Temperature Stability
        2. 8.3.3.2 Lifetime and Environmental Stability
      4. 8.3.4 Internal Reference Voltage
      5. 8.3.5 Current-Sensing Measurable Ranges
      6. 8.3.6 Overcurrent Detection
        1. 8.3.6.1 Setting The User Configurable Overcurrent Threshold
          1. 8.3.6.1.1 Setting Overcurrent Threshold Using Power Supply Voltage
          2. 8.3.6.1.2 Setting Overcurrent Threshold Example
        2. 8.3.6.2 Overcurrent Output Response
      7. 8.3.7 Sensor Diagnostics
        1. 8.3.7.1 Thermal Alert
        2. 8.3.7.2 Sensor Alert
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-Down Behavior
  10. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Total Error Calculation Examples
        1. 9.1.1.1 Room-Temperature Error Calculations
        2. 9.1.1.2 Full-Temperature Range Error Calculations
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Nomenclature
    2. 10.2 Device Support
      1. 10.2.1 Development Support
    3. 10.3 Documentation Support
      1. 10.3.1 Related Documentation
    4. 10.4 Receiving Notification of Documentation Updates
    5. 10.5 Support Resources
    6. 10.6 Trademarks
    7. 10.7 Electrostatic Discharge Caution
    8. 10.8 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information
    1. 12.1 Tape and Reel Information
  14. IMPORTANT NOTICE

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DVG|10
Thermal pad, mechanical data (Package|Pins)
Orderable Information
  • sbosag0c_oa
search No matches found.
  • Full reading width
    • Full reading width
    • Comfortable reading width
    • Expanded reading width
  • Card for each section
  • Card with all content

 

Data Sheet

TMCS1133 Precision 1MHz Hall-Effect Current Sensor With Reinforced Isolation Working Voltage, Overcurrent Detection and Ambient Field Rejection

1 Features

  • High continuous current capability: 80ARMS
  • Robust reinforced isolation
  • High accuracy
    • Sensitivity error: ±0.1%
    • Sensitivity thermal drift: ±20ppm/°C
    • Sensitivity lifetime drift: ±0.2%
    • Offset error: ±0.2mV
    • Offset thermal drift: ±10μV/°C
    • Offset lifetime drift: ±0.2mV
    • Non-linearity: ±0.1%
  • High immunity to external magnetic fields
  • Fast Response
    • Signal bandwidth: 1MHz
    • Response time: 120ns
    • Propagation delay: 50ns
    • Overcurrent detection response: 100ns
  • Operating supply range: 3V to 5.5V
  • Bidirectional and unidirectional current sensing
  • Multiple sensitivity options:
    • Ranging from 20mV/A to 150mV/A
  • Safety related certifications (planned)
    • UL 1577 Component Recognition Program
    • IEC/CB 62368-1

2 Applications

  • Solar Energy
  • EV charging
  • Power supplies
  • Industrial AC/DC

3 Description

The TMCS1133 is a galvanically isolated Hall-effect current sensor with industry leading isolation and accuracy. An output voltage proportional to the input current is provided with excellent linearity and low drift at all sensitivity options. Precision signal conditioning circuitry with built-in drift compensation is capable of less than 1.4% maximum sensitivity error over temperature and lifetime with no system level calibration, or less than 0.9% maximum sensitivity error including both lifetime and temperature drift with a one-time calibration at room temperature.

AC or DC input current flows through an internal conductor generating a magnetic field measured by integrated, on-chip, Hall-effect sensors. Core-less construction eliminates the need for magnetic concentrators. Differential Hall sensors reject interference from stray external magnetic fields. Low conductor resistance increases measurable current ranges up to ±96A while minimizing power loss and easing thermal dissipation requirements. Insulation capable of withstanding 5kVRMS, coupled with a minimum of 8mm creepage and clearance, provides high levels of reliable lifetime reinforced working voltage. Integrated shielding enables excellent common-mode rejection and transient immunity.

Fixed sensitivity allows the device to operate from a single 3V to 5.5V power supply, eliminating ratiometry errors and improving supply noise rejection.

Package Information
PART NUMBER PACKAGE(1) PACKAGE SIZE(2)
TMCS1133 DVG (SOIC, 10) 10.3mm × 10.3mm
(1) For all available packages, see Section 12.
(2) The package size (length × width) is a nominal value and includes pins, where applicable.
TMCS1133 Typical Application Typical Application

4 Device Comparison

Table 4-1 Device Comparison
PRODUCT(3) SENSITIVITY ZERO CURRENT OUTPUT VOLTAGE IIN LINEAR MEASUREMENT RANGE(1)
VS = 5V VS = 3.3V
TMCS1133A1A 25mV/A 2.5V ±96A(2) –96A to 28A(2)
TMCS1133A2A 50mV/A ±48A(2) –48A to 14A(2)
TMCS1133A3A 75mV/A ±32A –32A to 9.3A
TMCS1133A4A 100mV/A ±24A –24A to 7A
TMCS1133A5A 150mV/A ±16A –16A to 4.7A
TMCS1133B7A 20mV/A 1.65V –77.5A to 163A(2) ±77.5A(2)
TMCS1133B1A 25mV/A –62A to 130A(2) ±62A(2)
TMCS1133B8A 33mV/A –47A to 98.5A(2) ±47A(2)
TMCS1133B2A 50mV/A –31A to 65A(2) ±31A
TMCS1133B3A 75mV/A –20.7A to 43.3A(2) ±20.7A
TMCS1133B4A 100mV/A –15.5A to 32.5A ±15.5A
TMCS1133B5A 150mV/A –10.3A to 21.7A ±10.3A
TMCS1133C1A 25mV/A 0.33V –9.2A to 183A(2) –9.2A to 115A(2)
TMCS1133C2A 50mV/A –4.6A to 91.4A(2) –4.6A to 57.4A(2)
TMCS1133C9A 66mV/A –3.4A to 69.2A(2) –3.4A to 43.4A(2)
TMCS1133C3A 75mV/A –3.1A to 60.9A(2) –3.1A to 38.3A(2)
TMCS1133C4A 100mV/A –2.3A to 45.7A(2) –2.3A to 28.7A
TMCS1133C5A 150mV/A –1.5A to 30.5A –1.5A to 19.1A
(1) Linear range limited by the maximum output swing to power supply (3V to 5.5V) and ground, not by thermal limitations.
(2) Current levels must remain below both allowable continuous DC/RMS and transient peak current safe operating areas to not exceed device thermal limits. See the Safe Operating Area section.
(3) For more information on the device name and device options, see the Device Nomenclature section.

5 Pin Configuration and Functions

Figure 5-1 DVG Package10-Pin SOICTop View
Table 5-1 Pin Functions
PIN TYPE DESCRIPTION
NO. NAME
1 IN+ Analog Input Input current positive pin
2 IN– Analog Input Input current negative pin
3 GND Analog Ground
4 ALERT Digital Output Sensor diagnostics PWM output, open-drain active low. Connect pin to GND if not used.
5 NC - Reserved. Pin can be connected to GND or left floating.
6 VOUT Analog Output Output voltage
7 OC Digital Output Overcurrent output, open-drain active low. Connect pin to GND if not used.
8 VOC Analog Input Overcurrent threshold. Sets overcurrent threshold. Connect pin to VS if not used.
9 VS Analog Power supply
10 VS Analog Power supply

 
Texas Instruments

© Copyright 1995-2025 Texas Instruments Incorporated. All rights reserved.
Submit documentation feedback | IMPORTANT NOTICE | Trademarks | Privacy policy | Cookie policy | Terms of use | Terms of sale